> On Mon, 10 Feb 1997, Jeremey Barrett wrote [paraphraised]:
> > I am interested in writing a cryptographic "virtual" disk or filesystem.
> > My goals/ideas are the following:
> >
> > o To be able to create/mount/unmount files as encrypted disks...
> >
> > o Not being required to create a physical partition is critical.
> >
> > o The crypto-fs code would require a passphrase upon mounting.
> >
> > o When a file is read ... decrypts it.
> >
> > o Writing works much the same way, encrypting before "really" writing.
>
> Am I missing something, or are these supported in the loop filesystem?
> Loop has various encryption built in, files are virtual filesystems...
> The only thing that I don't know about is the timeout unmount -- might
> have to be an addition to loop-fs if it is not already there.
>
That's the way to go, the package at
ftp://ftp.csua.berkeley.edu/pub/cypherpunks/filesystems/linux/
which Trevor Johnson pointed out does it exactly that way. It adds
IDEA support and fixes a few things. I highly recommend it. It consists
of patches to 2.0.11.
- --
=-----------------------------------------------------------------------=
Jeremey Barrett VeriWeb Internet Corp.
Senior Software Engineer http://www.veriweb.com/
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